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Ignore whitespace Rev 2088 → Rev 2089

/trunk/kernel/generic/include/mm/mm.h
0,0 → 1,67
/*
* Copyright (c) 2007 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
/** @addtogroup genericmm
* @{
*/
/** @file
*/
 
#ifndef KERN_MM_H_
#define KERN_MM_H_
 
#define PAGE_CACHEABLE_SHIFT 0
#define PAGE_NOT_CACHEABLE_SHIFT PAGE_CACHEABLE_SHIFT
#define PAGE_PRESENT_SHIFT 1
#define PAGE_NOT_PRESENT_SHIFT PAGE_PRESENT_SHIFT
#define PAGE_USER_SHIFT 2
#define PAGE_KERNEL_SHIFT PAGE_USER_SHIFT
#define PAGE_READ_SHIFT 3
#define PAGE_WRITE_SHIFT 4
#define PAGE_EXEC_SHIFT 5
#define PAGE_GLOBAL_SHIFT 6
 
#define PAGE_NOT_CACHEABLE (0 << PAGE_CACHEABLE_SHIFT)
#define PAGE_CACHEABLE (1 << PAGE_CACHEABLE_SHIFT)
 
#define PAGE_PRESENT (0 << PAGE_PRESENT_SHIFT)
#define PAGE_NOT_PRESENT (1 << PAGE_PRESENT_SHIFT)
 
#define PAGE_USER (1 << PAGE_USER_SHIFT)
#define PAGE_KERNEL (0 << PAGE_USER_SHIFT)
 
#define PAGE_READ (1 << PAGE_READ_SHIFT)
#define PAGE_WRITE (1 << PAGE_WRITE_SHIFT)
#define PAGE_EXEC (1 << PAGE_EXEC_SHIFT)
 
#define PAGE_GLOBAL (1 << PAGE_GLOBAL_SHIFT)
 
#endif
 
/** @}
*/